000 00283nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a681.31
_bHEL
100 _aHeld, Gilbert
245 0 _aIBM PC & PC XT
250 _aEd.2
260 _aDelhi
_bBPB Publications
_c1987
942 _cBK
999 _c39719
_d39719